# Accident 19850509016319A: Ayres S2RR1340REST, Colusa, CA, May 9, 1985

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: May 9, 1985, 13:00 local time
- Place: Colusa, CA
- Airport: Closby
- Damage: Substantial damage
- Phase of flight: Forced/Precautionary Landing
- Operating rules: Agricultural (Part 137)
- Location: 39.2702° N, 122.0507° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=39.2702&lon=-122.0507&mi=10
- Aircraft: N8929Q, registered now (https://openairdocs.org/aircraft/N8929Q) (OpenAirDocs)
- Registry model: Rockwell International S-2R (registry code 7630202, https://openairdocs.org/model/rockwell-international-s-2r) (OpenAirDocs)
- Registry engine: Pratt & Whitney R1340 series (registry code 52016, https://openairdocs.org/engine/pratt-whitney-r1340-series) (OpenAirDocs)
- Reported make and model: AYRES S2RR1340REST
- Reported engine: PWA R1340AN1
- Fatal injuries: 0
- Pilot flight hours: 8,000 total, 2,000 in this make and model, 150 in the last 90 days
- NTSB investigation: [NTSB LAX85LA250](https://openairdocs.org/ntsb/LAX85LA250) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19850509016319A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

POWER LOSS ON TAKEOFF CAUSED BY A BROKEN EXHAUST VALVE BOSS. LANDED ACROSS AND RAN OFF RUNWAY SIDE,HIT A DIRT BERM.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB LAX85LA250](https://openairdocs.org/ntsb/LAX85LA250), May 9, 1985: Rockwell S-2R (N8929Q), Colusa, CA, substantial damage

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.